The product is a Bachmann HO E-Z Track Left Hand Turn Out Switch designed for model railroads in 1:87 scale. This switch is compatible with a two-rail system and is specifically for the HO gauge. It allows for easy and precise control of train movements on the track, particularly for switching tracks on a model railroad layout. Bachmann is a reputable brand known for producing high-quality model train accessories, making this switch a reliable option for model railroad enthusiasts looking to expand their layout. The switch was tested on a test track, but i have not tested in on an H O layout.   Thanks for looking